作者单位:Institute of Anatomy, Paracelsus Medical UniversitySalzburg, Austria[1]Department of Sport Science and Kinesiology, University of SalzburgSalzburg, Austria[2]Department of Cell Biology, University of SalzburgSalzburg, Austria[3]Institute of Anatomy, Paracelsus Medical UniversitySalzburg, Austria, Chondrometrics GmbHAinring[4]